Master the basics of querying tables in relational databases such as MySQL, SQL Server, and PostgreSQL.
Join two or three tables together into one, combine tables using set theory, and work with subqueries in PostgreSQL.
Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.
Become proficient at using SQL Server to perform common data manipulation tasks.
Learn how to create one of the most efficient ways of storing data - relational databases!
Learn how to explore what's available in a database: the tables, relationships between them, and data stored in them.
Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!
Learn the most important PostgreSQL functions for manipulating, processing, and transforming data.
In this course, you will use T-SQL, the flavor of SQL used in Microsoft's SQL Server for data analysis.
Learn to design databases in SQL.
Explore ways to work with date and time data in SQL Server for time series analysis
In this course, students will learn to write queries that are both efficient and easy to read and understand.
Learn the most important functions for manipulating, processing, and transforming data in SQL Server.
Learn to write SQL queries to calculate key metrics that businesses use to measure performance.
Master SQL Server programming by learning to create, update, and execute functions and stored procedures.
Learn to write scripts that will catch and handle errors and control for multiple operations happening at once.
Learn how to analyze a SQL table and report insights to management.
Learn how to design and implement triggers in SQL Server using real-world examples.
Learn how to build your very own dashboard by applying all the SQL concepts and functions you have learned in previous courses.
Find tables, store and manage new tables and views, and write maintainable SQL code to answer business questions.
Develop the skills you need to clean raw data and transform it into accurate insights.
This course teaches you the skills and knowledge necessary to create and manage your own PostgreSQL databases.
Learn how to import and manipulate data with Oracle SQL.
Learn how to write recursive queries and query hierarchical data structures.
Learn how to structure your PostgreSQL queries to run in a fraction of the time.
Learn to tame your raw, messy data stored in a PostgreSQL database to extract accurate insights.
Ensure data consistency by learning how to use transactions and handle errors in concurrent environments.
Write SQL queries to answer interesting questions about international debt using data from The World Bank.
If you've never done a DataCamp project, this is the place to start!
Use SQL data manipulation and joins to discover the oldest businesses around the world.